Complete the following statement

In the shareholder model of the responsibility of the firm, commercial organisations are advised to $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

a$.$

Focus on delivering long term profitability and through that delivering products and services, providing employment and paying dividends and required taxes

b$.$

Prioritise delivering quarter$-$by$-$quarter increases in financial performance in all activities of the firm

c$.$

Recognise a wider responsibility of the firm by voluntarily pursuing initiatives that deliver social value but are above and beyond the needs of commercial success.

d$.$

Focus on maximising the wealth of the key executives in the firm who are often key shareholders